Mathematics A - Edexcel - GCSE - Expanding Brackets

Descripción

GCSE (Mathematics GCSE) Maths Test sobre Mathematics A - Edexcel - GCSE - Expanding Brackets, creado por Josh Anderson el 10/02/2016.
Josh Anderson
Test por Josh Anderson, actualizado hace más de 1 año
Josh Anderson
Creado por Josh Anderson hace casi 9 años
75
7

Resumen del Recurso

Pregunta 1

Pregunta
Expand the brackets. 25(5-y) [blank_start]125[blank_end]-[blank_start]25[blank_end]y
Respuesta
  • 125
  • 25

Pregunta 2

Pregunta
Expand and simplify. x(5x-20)-y(20y-23)-70y
Respuesta
  • 5x²-20x-20y²-23y-70y
  • 5x²-20x-20y²-93y
  • 5x²-20x+20y²-23y-70y
  • 5x²-20x+20y²-93y
  • 5x²-20x-20y²+23y-70y
  • 5x²-20x-20y²+47y

Pregunta 3

Pregunta
Expand and simplify. (15x+200)(2x-30) [blank_start]30[blank_end]x²[blank_start]-450[blank_end]x+[blank_start]400[blank_end]x[blank_start]-6000[blank_end] [blank_start]30x[blank_end]²[blank_start]-50x[blank_end]-[blank_start]6000[blank_end]
Respuesta
  • 30
  • 400
  • -6000
  • -450
  • 450
  • 30x
  • -50x
  • 50x
  • 6000

Pregunta 4

Pregunta
(x+y)(x-y), for any value of y, equals x squared plus 2xy minus the value of y squared For example (x+4)(x-4) = x squared + 8x - 16
Respuesta
  • True
  • False
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